If you like Gaiman, you should try... (Score 1)

Kim Newman. they collaborated once on Ghastly Beyond Belief, which was a book of all the worst possible (and funniest) SF quotes. newman's got this whole in-joke, cultural (movies and books) reference thing happening in most of his work which will either entertain or bug the hell out of you. not strictly SF, but if Gaiman gets in, well... A more traditional SF author who nobody seems to have mentioned yet, and also clearly has fun with her writing, is Wilhelmina Baird (CrashCourse, Clipjoint and Psykosis). fab-ewe-luss.